How to buy Neutron in the USA?

Could you please elaborate on the process of purchasing Neutron in the United States? Are there any specific exchanges or platforms that cater specifically to buying Neutron? Are there any regulations or restrictions that buyers in the USA should be aware of before making a purchase? Additionally, what are the steps involved in setting up an account and verifying my identity on these platforms? Lastly, what are some tips or best practices for safely storing and managing my Neutron holdings?